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LHCb Theses

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2025-04-09
17:26
First observation and branching fraction measurement of the $\Sigma^{+} \to p \mu^{+} \mu^{-}$ decay at LHCb / Martelli, Gabriele
In this thesis, the first significant observation of the $\Sigma^{+} \to p \mu^{+} \mu^{-}$ decay and the measurement of the branching fraction are presented [...]
CERN-THESIS-2024-372 - 2024 - 159.


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2025-04-03
17:27
Studies of $\phi$ Meson Production in Fixed-Target pNe Collisions at LHCb / Fabiano, Federica
This thesis presents the studies of the $\phi$ meson production in proton-Neon fixed-target collisions at a centre-of-mass energy $\sqrt{s_{NN}}$=68.5~GeV, using the LHCb detector at CERN [...]
CERN-THESIS-2024-370 - 2025 - 174.


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2025-04-03
10:05
Measurement of the coherently produced J/ψ meson in PbPb collisions at LHCb Scientific Disciplinary Sector(s) / Belin, Samuel
The photoproduction at low transverse momentum of $J/\psi$ events in PbPb peripheral collisions at $\sqrt{s_{NN}}=5.02$TeV with the LHCb detector is investigated [...]
CERN-THESIS-2020-426 - 2021 - 163.


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2025-04-02
15:27
Measurement of CP-violation in decays of strange beauty mesons / Lukashenko, Valeriia
This thesis presents a study of the decay rate asymmetries between $B_s^0$ mesons and their antiparticles, $\bar{B}_s^0 $, which are sensitive probes for new sources of CP-asymmetry [...]
CERN-THESIS-2024-369 - 2024 - 212.


10.5463/thesis.677

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2025-03-13
10:04
Prospects of $\eta_{b}$ physics at LHCb / Preau, Florent
Hlt1 and Hlt2 trigger lines are created in order to allow for an $\eta_{b}(1S)$ search at LHCb after commissioning in 2025 [...]
CERN-THESIS-2025-014 - 2025 - 38.


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2025-03-10
11:48
Measurement of the W boson properties in the forward region in pp collisions at $\sqrt{s}= 5.02$ TeV / Abdelmotteleb, Ahmed
This thesis primarily presents a detailed study of the fiducial cross--sections for $W^+$ and $W^-$ boson production at $\sqrt{s}= 5.02$ TeV, using data from the LHCb experiment at the Large Hadron Collider at CERN [...]
CERN-THESIS-2024-356 - 2025 - 191.


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2025-03-07
10:51
Beauty to Open Charm Measurements at LHCb and Other Flavourful Friends / Davies, Jonathan
The Standard Model (SM) of particle physics, which seeks to provide a fundamental description of the universe's smallest constituents, is an incredibly successful theory by many metrics [...]
CERN-THESIS-2024-355 - 2024 - 250.


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2025-03-04
15:12
Search for charge parity violation in semi-leptonic wrong sign $D0\to K\pi$ decays / Burke, Aodhan
This thesis presents measurements of the flavour oscillations and charge parity asymmetry between $D^0$ mesons in $\overline B^0\to D^{*+}(\to D^0 (\to K^{\mp} \pi^{pm})\pi^{+}_{s})\mu^-{X}$ decays and $\overline D^0$ mesons in the charge conjugated decays [...]
CERN-THESIS-2024-349 - 2024 - 305.


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2025-02-11
17:53
Improvements of muon identification algorithms and perspectives on the $D^0 \to \mu \mu$ search / Cogoni, Violetta
After the second long shutdown of the Large Hadron Collider, scheduled for 2020, LHCb will start a data taking period with increased instantaneous luminosity and collision energy to perform very high precision measurements [...]
CERN-THESIS-2017-502. - 2017 - 143.


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2025-01-30
16:39
Study of the simulations of the readout for the future LHCb Electromagnetic Calorimeter and characterization of photomultipliers / Bellavista, Alberto
During Run 5 and 6, the LHCb experiment at CERN will operate at a luminosity up to $1.5\times 10^{34}$ cm$^{-2}$s$^{-1}$ [...]
CERN-THESIS-2024-322 - 2024 - 96.


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